Activity_main.xml File
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
xmlns:ads="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".MainActivity">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id ="@+id/text_view_p1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text = "Player 1: 0"
android:textSize="30sp"
android:textColor="#FF00FF" />
<TextView
android:id ="@+id/text_view_p2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/text_view_p1"
android:text = "Player 2: 0"
android:textSize="30sp"
android:textColor="#FF00FF" />
<Button
android:id="@+id/button_reset"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentEnd="true"
android:layout_centerVertical="true"
android:layout_marginEnd="33dp"
android:text="reset"
android:textColor="#DC143C" />
</RelativeLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1" >
<Button android:id="@+id/button_00"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:textSize="60sp" />
<Button
android:id="@+id/button_01"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:textSize="60sp" />
<Button
android:id="@+id/button_02"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:textSize="60sp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1" >
<Button
android:id="@+id/button_10"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:textSize="60sp" />
<Button
android:id="@+id/button_11"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:textSize="60sp" />
<Button
android:id="@+id/button_12"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:textSize="60sp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1" >
<Button
android:id="@+id/button_20"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:textSize="60sp" />
<Button
android:id="@+id/button_21"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:textSize="60sp" />
<Button
android:id="@+id/button_22"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:textSize="60sp" />
</LinearLayout>
<com.google.android.gms.ads.AdView
android:id="@+id/adView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_alignParentBottom="true"
ads:adSize="BANNER"
ads:adUnitId="ca-app-pub-5864813702378205/9734846806">
</com.google.android.gms.ads.AdView>
</LinearLayout>
MainActivity.Java File
package com.example.irawen.tictactoe;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import com.google.android.gms.ads.AdRequest;
import com.google.android.gms.ads.AdView;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
private AdView mAdView;
private Button[][] buttons = new Button[3][3];
private boolean player1turn = true;
private int roundCount;
private int player1Points;
private int player2Points;
private TextView textViewPlayer1;
private TextView textViewPlayer2;
@Override protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textViewPlayer1 = findViewById(R.id.text_view_p1);
textViewPlayer2 = findViewById(R.id.text_view_p2);
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
String buttonID = "button_" + i + j;
int resID = getResources().getIdentifier(buttonID, "id", getPackageName());
buttons[i][j] = findViewById(resID);
buttons[i][j].setOnClickListener(this);
}
}
Button buttonReset = findViewById(R.id.button_reset);
buttonReset.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View v) {
resetGame();
}
});
mAdView = findViewById(R.id.adView);
AdRequest adRequest = new AdRequest.Builder().build();
mAdView.loadAd(adRequest);
}
@Override public void onClick(View v) {
if (!((Button) v).getText().toString().equals("")) {
return;
}
if (player1turn) {
((Button) v).setText("X");
} else {
((Button) v).setText("O");
}
roundCount++;
if (checkForWin()){
if (player1turn){
player1Wins();
}else{
player2Wins();
}
}else if(roundCount == 9){
draw();
}else{
player1turn = !player1turn;
}
}
private boolean checkForWin() {
String[][] field = new String[3][3];
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
field[i][j] = buttons[i][j].getText().toString();
}
}
for (int i = 0; i < 3; i++) {
if ((field[i][0].equals(field[i][1])
&& field[i][0].equals(field[i][2])
&& ! field[i][0].equals(""))){
return true;
}
}
for (int i = 0; i < 3; i++) {
if ((field[0][i].equals(field[1][i])
&& field[0][i].equals(field[2][i])
&& ! field[0][i].equals(""))){
return true;
}
}
if ((field[0][0].equals(field[1][1])
&& field[0][0].equals(field[2][2])
&& ! field[0][0].equals(""))){
return true;
}
if ((field[0][2].equals(field[1][1])
&& field[0][2].equals(field[2][0])
&& ! field[0][2].equals(""))){
return true;
}
return false;
}
private void player1Wins() {
player1Points++;
Toast.makeText(this, "Player 1 wins!",Toast.LENGTH_SHORT).show();
updatePointsText();
resetBoard();
}
private void player2Wins() {
player2Points++;
Toast.makeText(this, "Player 2 wins!",Toast.LENGTH_SHORT).show();
updatePointsText();
resetBoard();
}
private void draw() {
Toast.makeText(this, "Draw!",Toast.LENGTH_SHORT).show();
resetBoard();
}
private void updatePointsText(){
textViewPlayer1.setText("Player 1: " +player1Points);
textViewPlayer2.setText("Player 2: " +player2Points);
}
private void resetBoard() {
for ( int i = 0; i < 3; i++){
for ( int j = 0; j < 3; j++){
buttons[i][j].setText("");
}
}
roundCount = 0;
player1turn = true;
}
private void resetGame(){
player1Points = 0;
player2Points = 0;
updatePointsText();
resetBoard();
}
}
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